Malachite is a copper carbonate, in the cultural layer, it is a marker of oxidation zones. It was used for making green paint.
Fragments with hematite were split off the pieces of initial raw materials. Fragments were grinded up and then they were used for the paint manufacturing.
Lbova L. V., Kulik N. A., Gubar Y. S. Petrograficheskiy i spektralnyy analiz pigmentsoderzhashchikh materialov v sostave kollektsii Maloy Syi // Problemy arheologii, etnografii, antropologii Sibiri i sopredel'nyh territorij. – T. XXIV. – Novosibirsk: izd-vo IAEt SO RAN, 2018. – S. 115–118. (in Russiun).